essimistic Predecessors Likely A None 5 9 10 B A 2 A D C None W 8 D C 8 N 5 E B 4 9 F B, D 2 4 G F A H E 4 6 8 I G,H W 5 7 a. Calculate the expected times and variances b. Draw the network and estimate earliest start and earliest finish times along with latest start and latest finish times. c. What is the critical path? d. What are the slack times for activities B and F? e. What is the probability that the project can be completed 32 days or less